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10d7bfedae
Imitate opam which installs the real seq package only for OCaml < 4.07 and only a META file for OCaml >= 4.07.
43 lines
1,013 B
Nix
43 lines
1,013 B
Nix
{ stdenv, fetchFromGitHub, ocaml, findlib, ocamlbuild }:
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stdenv.mkDerivation ({
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version = "0.1";
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name = "ocaml${ocaml.version}-seq-0.1";
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meta = {
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license = stdenv.lib.licenses.lgpl21;
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maintainers = [ stdenv.lib.maintainers.vbgl ];
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homepage = "https://github.com/c-cube/seq";
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inherit (ocaml.meta) platforms;
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};
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} // (if stdenv.lib.versionOlder ocaml.version "4.07" then {
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src = fetchFromGitHub {
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owner = "c-cube";
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repo = "seq";
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rev = "0.1";
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sha256 = "1cjpsc7q76yfgq9iyvswxgic4kfq2vcqdlmxjdjgd4lx87zvcwrv";
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};
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buildInputs = [ ocaml findlib ocamlbuild ];
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createFindlibDestdir = true;
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meta.description = "Compatibility package for OCaml’s standard iterator type starting from 4.07";
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} else {
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src = ./src-base;
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dontBuild = true;
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installPhase = ''
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mkdir -p $out/lib/ocaml/${ocaml.version}/site-lib/seq
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cp META $out/lib/ocaml/${ocaml.version}/site-lib/seq
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'';
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meta.description = "dummy backward-compatibility package for iterators";
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}))
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